French national amateur radio society REF

REF Digital Library Available  French national amateur radio society REF have made available their digital library covering antennas and other ham topics. REF Library

AMSAT Live OSCAR Satellite Status Page

 AMSAT Live OSCAR Satellite Status Page

AMSAT Satellite Status

EME Station by Fred, AB1OC

 EME Station by Fred, AB1OC

Here is a nice 10-part blog post describing a EME station from design and planning through antennas on the tower.

EME Station Design and Construction

G7UHN has built a very useful additional display for the FT-817/818 transceiver.

 

Andy,  G7UHN has built a very useful additional display for the FT-817/818 transceiver.

T-817 Display Accessory 

SDR Software Tutorial

This is quite interesting as it shows how software is written for SDR radios. It is from the AC2CZ web.

SDR Radio Software Tutorial

High Voltage Transformer Winding Information

High Voltage Transformer Winding Information

Transformer winding

KF8OD has some examples of homemade transformers.

Transformer Build

Amateur Radio Magazine from the American Radio Relay League - Early Issues

Scanned QST issues covering 191 to 1949.

https://www.americanradiohistory.com/QST.htm